package basic2;

public class J02_Math2Java {

	public static void main(String[] args) {
		
		
		int x = 15;
		int y = 30;
		int z = 3;
		
		System.out.println(3*x);
		System.out.println((3*x)+y);
		System.out.println((x+y)/7);
		System.out.println(((3*x)+y)/(z+2));
		

	}

}
